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authorAlex Bennée2017-11-27 14:58:23 +0100
committerAlex Bennée2018-02-21 11:20:39 +0100
commitd97544c94a37371347402bcbee19dd3748d70e48 (patch)
tree91946ed27c19fde71fdf661293224073e8c379dd /fpu
parentfpu/softfloat: improve comments on ARM NaN propagation (diff)
downloadqemu-d97544c94a37371347402bcbee19dd3748d70e48.tar.gz
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fpu/softfloat: move the extract functions to the top of the file
This is pure code-motion during re-factoring as the helpers will be needed earlier. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'fpu')
-rw-r--r--fpu/softfloat.c120
1 files changed, 54 insertions, 66 deletions
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 3a4ab1355f..297e48f5c9 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -133,6 +133,60 @@ static inline flag extractFloat16Sign(float16 a)
}
/*----------------------------------------------------------------------------
+| Returns the fraction bits of the single-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline uint32_t extractFloat32Frac(float32 a)
+{
+ return float32_val(a) & 0x007FFFFF;
+}
+
+/*----------------------------------------------------------------------------
+| Returns the exponent bits of the single-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline int extractFloat32Exp(float32 a)
+{
+ return (float32_val(a) >> 23) & 0xFF;
+}
+
+/*----------------------------------------------------------------------------
+| Returns the sign bit of the single-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline flag extractFloat32Sign(float32 a)
+{
+ return float32_val(a) >> 31;
+}
+
+/*----------------------------------------------------------------------------
+| Returns the fraction bits of the double-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline uint64_t extractFloat64Frac(float64 a)
+{
+ return float64_val(a) & LIT64(0x000FFFFFFFFFFFFF);
+}
+
+/*----------------------------------------------------------------------------
+| Returns the exponent bits of the double-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline int extractFloat64Exp(float64 a)
+{
+ return (float64_val(a) >> 52) & 0x7FF;
+}
+
+/*----------------------------------------------------------------------------
+| Returns the sign bit of the double-precision floating-point value `a'.
+*----------------------------------------------------------------------------*/
+
+static inline flag extractFloat64Sign(float64 a)
+{
+ return float64_val(a) >> 63;
+}
+
+/*----------------------------------------------------------------------------
| Takes a 64-bit fixed-point value `absZ' with binary point between bits 6
| and 7, and returns the properly rounded 32-bit integer corresponding to the
| input. If `zSign' is 1, the input is negated before being converted to an
@@ -300,39 +354,6 @@ static int64_t roundAndPackUint64(flag zSign, uint64_t absZ0,
}
/*----------------------------------------------------------------------------
-| Returns the fraction bits of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline uint32_t extractFloat32Frac( float32 a )
-{
-
- return float32_val(a) & 0x007FFFFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline int extractFloat32Exp(float32 a)
-{
-
- return ( float32_val(a)>>23 ) & 0xFF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the single-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline flag extractFloat32Sign( float32 a )
-{
-
- return float32_val(a)>>31;
-
-}
-
-/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/
@@ -493,39 +514,6 @@ static float32
}
/*----------------------------------------------------------------------------
-| Returns the fraction bits of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline uint64_t extractFloat64Frac( float64 a )
-{
-
- return float64_val(a) & LIT64( 0x000FFFFFFFFFFFFF );
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the exponent bits of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline int extractFloat64Exp(float64 a)
-{
-
- return ( float64_val(a)>>52 ) & 0x7FF;
-
-}
-
-/*----------------------------------------------------------------------------
-| Returns the sign bit of the double-precision floating-point value `a'.
-*----------------------------------------------------------------------------*/
-
-static inline flag extractFloat64Sign( float64 a )
-{
-
- return float64_val(a)>>63;
-
-}
-
-/*----------------------------------------------------------------------------
| If `a' is denormal and we are in flush-to-zero mode then set the
| input-denormal exception and return zero. Otherwise just return the value.
*----------------------------------------------------------------------------*/